{"uid":"cap_CFzT2FLGqMyXB91SGPJ7o","slug":"hn-pulse-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-3ab4c6aa","name":"B2A Email Deliverability, MX, SPF & DMARC Verifier","description":"Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://hn-pulse.agentdiet.dev/v1/mx-deliverability-verifier)","url":"https://hn-pulse.agentdiet.dev/v1/mx-deliverability-verifier?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["email"],"properties":{"email":{"type":"string","minLength":1,"description":"Email address to validate for syntax, MX deliverability, and disposable risk"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bN9RgD0sc4wvvnvsl_rKf","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"hn-pulse.agentdiet.dev","brandSlug":"hn-pulse-agentdiet-dev-mpp","brandBaseUrl":"https://hn-pulse.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX, SPF, and DMARC record checks.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — flag if it's disposable or a role address, and confirm the domain has valid MX, SPF, and DMARC records set up?","exampleUseCases":[{"title":"CRM lead quality screening","prompt":"Before I add this prospect to our CRM, can you verify that sarah.jones@techstartup.io is a legitimate deliverable email, not a burner or role account, and that their domain has MX and DMARC records properly configured?"},{"title":"Signup form disposable email filter","prompt":"A new user just signed up with the email temp123@mailinator.com — can you check if that's a disposable or throwaway email address so I can decide whether to block the registration?"},{"title":"Email infrastructure audit before outreach","prompt":"We're about to send a cold outreach campaign — can you validate whether ceo@acmecorp.com is syntactically correct, deliverable, and that acmecorp.com has SPF and DMARC records in place to avoid bounce issues?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the provider is a known disposable or burner service, whether the address is a role account (e.g. admin@, info@), and the results of live DNS lookups for MX, SPF, and DMARC records on the email's domain, including deliverability risk assessment.","failureModes":["Invalid or malformed email input returns a syntax error or validation failure","DNS lookup timeout if the email domain has slow or unresponsive nameservers","Unknown or very new domains may have no MX/SPF/DMARC records, returned as missing","Payment failure via x402 if USDC balance is insufficient","Network errors during live DNS resolution may cause partial results"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email validation that goes beyond syntax checking — specifically when you need live DNS MX, SPF, and DMARC record verification combined with disposable provider and role account detection in a single API call. Prefer this over lightweight regex-only validators when email deliverability and domain authentication posture matter, such as before CRM ingestion, outreach campaigns, or user signup flows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:43.835Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-c670a243"}